How Is Keratoconus Diagnosed? | Dr Mahipal S Sachdev Explains Keratoconus is a progressive eye condition that causes the cornea to thin and bulge into a cone shape—impacting vision over time. In this Shorts video, Dr. Mahipal S. Sachdev, Chairman & Medical Director of Centre For Sight Group of Eye Hospitals, explains how keratoconus is diagnosed using advanced tools like corneal topography and pachymetry. Early detection can help preserve vision and slow down progression—so don’t ignore the sign